Home / 2,420,208.40-3,630,658.20-822,845.20

Finding the Fourth Proportional to 2,420,208.40, 3,630,658.20 and 822,845.20

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Solution

The fourth proportional to 2,420,208.40, 3,630,658.20 and 822,845.20 is: 1,234,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,208.40 : 3,630,658.20 = 822,845.20 : x
  2. Step 2: Convert to fraction form
    2,420,208.40/3,630,658.20 = 822,845.20/x
  3. Step 3: Cross multiply
    2,420,208.40x = 3,630,658.20 × 822,845.20
  4. Step 4: Simplify right side
    2,420,208.40x = 2,987,469,672,710.64
  5. Step 5: Solve for x
    x = 2,987,469,672,710.64/2,420,208.40
  6. Step 6: Final answer
    x = 1,234,385.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.